Rain Barrels may be ordered for pick up on April 21, 2016 at the Billerica Water Treatment Plant. April 13 is the last day to order rain barrels. Pick up rain barrels on APRIL 21 at Water Treatment Plant on Treble Cove Road 4:00 to 6:00. Please go to www.greatamericanrainbarrel.com and select "Shop Local Programs", then select Billerica, or call 1-800-251-2352. Cost is $79.00